Determine and Interpret Z-Scores
-A Television Station Claims That the Amount

question 107

Multiple Choice

Determine and Interpret z-Scores
-A television station claims that the amount of advertising per hour of broadcast time has an average of 17 minutes and a standard deviation equal to 2.2 minutes. You watch the station for 1 hour, at a randomly selected time, and carefully observe that the amount of advertising time is equal to 7 minutes. Calculate the z-score for this amount of advertising time.

• A) \(z = - 4.55\)
• B) \(z = 4.55\)
• C) \(z = - 0.28\)
• D) \( z = 0.28\)

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Definitions:

Auditor's Opinion

A statement issued by an independent auditor reflecting their judgement about the accuracy of a company's financial statements.

Audit

The examination and verification of a company's financial and accounting records and supporting documents by a professional, such as a Certified Public Accountant, to ensure accuracy and compliance with accounting standards and regulations.

SEC Statement

Financial documentation that companies are required to submit to the U.S. Securities and Exchange Commission (SEC) detailing their financial performance.

Corporate Annual Reports

Official publications by corporations that summarize the company's activities, financial performance, and strategy over the past year.